Alfa Romeo GT 1.8 T.SPARK – DIRECTION INDICATORS / HAZARD WARNING LIGHTS – – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION

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Wiring diagram - DIRECTION INDICATORS / HAZARD WARNING LIGHTS - Alfa Romeo GT 1.8 T.SPARK

DIRECTION INDICATORS / HAZARD WARNING LIGHTS - WIRING DIAGRAM Alfa Romeo GT 1.8 T.SPARK

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Components - DIRECTION INDICATORS / HAZARD WARNING LIGHTS - Alfa Romeo GT 1.8 T.SPARK

Component code	Name	Assembly reference
B1	JUNCTION UNIT	-
B2	JUNCTION UNIT UNDER DASHBOARD
B5	MAXI FUSE-1 BOX	-
B99	MAXIFUSE BOX ON BATTERY
C10	FRONT LEFT EARTH ( FRONT )	-
C11	RIGHT FRONT EARTH ( FRONT )	-
C15	FACIA EARTH, DRIVER''S SIDE	-
C30	LEFT REAR EARTH ( REAR )	-
C38	EARTH ON TUNNEL	-
D51	DIRECTION INDICATORS FRONT COUPLNIG ( CONNECTORS )	-
E50	INSTRUMENT PANEL
F18	LEFT FRONT DIRECTION INDICATOR ( CONNECTORS )
F19	RIGHT FRONT DIRECTION INDICATOR
F20	LEFT SIDE REPEATER
F21	RIGHT SIDE REPEATER ( FRONT )
F30	REAR LIGHTS CLUSTER LEFT (FIXED PART)
F31	RIGHT. REAR LIGHT CLUSTER (FIXED PART)
H1	IGNITION SWITCH
H5	STEERING COLUMN SWITCH UNIT
H12	HAZARD WARNING LIGHTS, FOG LIGHTS, REAR FOG LAMPS CONTROL
M1	BODY COMPUTER

Location of components - DIRECTION INDICATORS / HAZARD WARNING LIGHTS - Alfa Romeo GT 1.8 T.SPARK

DIRECTION INDICATORS / HAZARD WARNING LIGHTS - LOCATION OF COMPONENTS Alfa Romeo GT 1.8 T.SPARK

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Components - DIRECTION INDICATORS / HAZARD WARNING LIGHTS - Alfa Romeo GT 1.8 T.SPARK

Component code	Name	Assembly reference
B1	JUNCTION UNIT	-
B2	JUNCTION UNIT UNDER DASHBOARD
B5	MAXI FUSE-1 BOX	-
B99	MAXIFUSE BOX ON BATTERY
C10	FRONT LEFT EARTH ( FRONT )	-
C11	RIGHT FRONT EARTH ( FRONT )	-
C15	FACIA EARTH, DRIVER''S SIDE	-
C30	LEFT REAR EARTH ( REAR )	-
C38	EARTH ON TUNNEL	-
D51	DIRECTION INDICATORS FRONT COUPLNIG ( CONNECTORS )	-
E50	INSTRUMENT PANEL
F18	LEFT FRONT DIRECTION INDICATOR ( CONNECTORS )
F19	RIGHT FRONT DIRECTION INDICATOR
F20	LEFT SIDE REPEATER
F21	RIGHT SIDE REPEATER ( FRONT )
F30	REAR LIGHTS CLUSTER LEFT (FIXED PART)
F31	RIGHT. REAR LIGHT CLUSTER (FIXED PART)
H1	IGNITION SWITCH
H5	STEERING COLUMN SWITCH UNIT
H12	HAZARD WARNING LIGHTS, FOG LIGHTS, REAR FOG LAMPS CONTROL
M1	BODY COMPUTER

Description - DIRECTION INDICATORS / HAZARD WARNING LIGHTS - Alfa Romeo GT 1.8 T.SPARK

The left and right direction indicators are operated by raising or lowering the left lever on the stalk unit. the function is activated with the ignition key in the ON position.The hazard warning lights (right and left direction indicators operated simultaneously) are turned on by the pressing a button in the centre of the dashboard and both the direction indicators come on at the same time. An LED in the back of the button also comes on flashing in synchronization with the outside lights; the function is always activated.The switching on of the direction indicators / hazard warning lights is managed by the Body Computer which also controls the flashing frequency which is sent to the other connectors via the CAN serial network.In this way, the two direction indicator warning lights in the instrument panel are also lit up; in addition, as well as the flashing of the warning lights, the system also produces a low frequency auditory signal., via a relay in the Body Computer.The correct operation of the lights is controlled by the direction indicators ''check'' function: the following is controlled for each of the two circuits (right branch and left side):open circuit or 21 W bulb missing (right front, right rear, left front, left rear)short circuit to earth (bulb short circuit or wiring short circuit to earth)short circuit to Vbatt (wiring short circuit to Vbatt)5W bulb replaced with a 21 W bulbIf one of the situations described above is detected, the Body Computer notifies the CAN of the failure state: a special ''lights failure'' warning light comes on in the instrument panel and, at the same time, the information is shown on the display. There is also a signal that one of the front or rear 21 W bulbs is missing with an increase in the nominal flashing frequency of the warning lights in the instrument panel and the auditory feedback (buzzer).The direction indicators come on to notify the user that the command to close/open the doors has been received from the remote control.

Functional description - DIRECTION INDICATORS / HAZARD WARNING LIGHTS - Alfa Romeo GT 1.8 T.SPARK

The direction indicators activation signals are sent to pin 7 of connector D and 30 of connector B for the Body ComputerM1 from the steering column switch unitH5.The ''ignition ON'' signal (INT) for the switch H1 reaches the underdashboard control unitB2at pin 11 of connector H and from there moves on to the Body ComputerM1(pin 9 of connector F).The hazard warning lights activation signal, on the other hand, reaches pin 34 of connector B ofM1from the control button in the centre panelH12.The Body ComputerM1 controls the supply for the side lights at the side F20 (left) and F21 (rght) from pins 2 and 22 of connector A, for the front side lights F18 (left) F19 (right) from pins 38 and 39 of connector A and for the rear side lights F30 (left) F31 B (right) from pins 12 and 3 of connector E.The Body ComputerM1 is connected, via the CAN line, to the instrument panel E50, to manage the ''direction indicators'' warning light, the buzzer and, if there are failures in the circuit, the ''lights failure'' warning light.The signal is sent, from pin 29 of connector B of M1, to light up the LED in the control buttonH12.